Patent US4263884A successfully refreshed from Google Patents.
Patent US2086489A successfully refreshed from Google Patents.
US2086489A
Expired / Lapsed
US
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Mattress handle
Assignee: SUPERIOR FELT AND BEDDING Co
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Filing: 1935-09-13
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Granted: 1937-07-06
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Expires: 1955-09-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Bewersex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:26
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/08; Y; Y10; Y10S; Y10S16/00; Y10S16/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |